1. HL dredger product introduction:
(1) Dredger is self-propelled or non self-propelled
(2) Hull is box-like structure, is made up of several boxes, simple, rapid assembly and dismantling
(3) Dredger equipment include sideslip device, cutter up and down device, location spud device, deck crane, also be equipped with anchor boom and trolley devices to increase capacity
(4) Widely used in sand-excavating, river dredging, desilting, reclamation for channels and land, port construction
(5) Main engine is an independent entertainment form, one main pump engine, one auxiliary hydraulic engine
(6) Dredge pump is driven by main diesel engine through reducing gear box
(7) Alternator, which driven by the auxiliary diesel engine supplies electricity for power and lighting of the whole dredger
Generator sets supplies electricity for lighting and emergency use when it doesn't working
(8) Hydraulic oil pump is driven by the auxiliary diesel engine
(9) Shifting winches, cutter ladder and lifting winch are driven by the hydraulic motor
(10) Cutter head is driven by hydraulic motor, cutter bearing has lubrication seal-in units
(11) Dredger is moved by alternate swing of the spuds, spuds are lifted by the hydraulic cylinder

Quality certification:
Our company have been through ISO 9001 quality system and CE certification
R and D and technical team:
Highling dredgers achieve first-class level in the world with Holland  design and technology
Our company has research and development center, quality department and after-sales department
Number of staff is up to 800, including 50 senior engineers on dredger building and researching, 60 designers on machinery construction, 18 engineers on quality inspection, as  well as 30 after-sales service engineers
Hl dredrer are exported to more than 50 countries such as Bangladesh, Pakistan, India, Brazil, Argentina, Benin, Egypt, Poland, Nigeria, Ukraine, Indonesia, Korea
By virtue of advanced technology, stable and reliable quality, our company has gained great honors from the domestic and foreign enterprises
Based on honest, mutual benefit and development, we warmly welcome you visit our company and cooperate with each other